:root{color-scheme:light;--ink:#30382e;--green:#526444;--muted:#697064;--paper:#fffefb;--line:#dddccd}
*{box-sizing:border-box}
html{scroll-padding-top:24px}
body{margin:0;background:#f4f2eb;color:var(--ink);font-family:"Yu Gothic",Meiryo,sans-serif;line-height:1.95}
a{color:#405d38;text-underline-offset:4px}
a:hover{color:#804824}
a:focus-visible{outline:3px solid #b27835;outline-offset:5px}
.site-head{max-width:820px;margin:auto;padding:25px 28px 20px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:14px}
.brand{font-weight:bold;text-decoration:none}
.sheet{max-width:820px;margin:0 auto 48px;background:var(--paper);border-top:5px solid #788253;padding:44px 64px 38px;box-shadow:0 4px 22px #333308}
.kicker{color:var(--green);font-size:14px;letter-spacing:.12em;margin:0 0 8px}
h1{font-size:28px;line-height:1.45;margin:0 0 16px;font-weight:600}
h2{font-size:23px;line-height:1.6;margin:36px 0 16px}
h3{font-size:19px;margin:30px 0 12px}
.meta,.note{font-size:13px;color:var(--muted)}
.meta{margin:0 0 20px}
.note{background:#f2f2e9;padding:12px 16px;margin:0 0 24px}
.toc{display:flex;flex-wrap:wrap;gap:10px 24px;border-bottom:1px solid var(--line);padding:0 0 24px;margin-bottom:32px;font-size:14px}
article p{margin:0 0 1.3em}
article{font-size:17px; border: 1px solid #888; padding: 10px;}
.section-label{font-size:13px;color:var(--green);letter-spacing:.1em}
.aside{border-top:1px solid var(--line);margin-top:44px;padding-top:26px}
.aside h2{margin-top:4px}
.cta{background:#edf1e6;padding:26px 30px;margin-top:40px}
.cta h2{margin:0 0 12px;font-size:22px}
.cta p{font-size:15px;margin:0 0 20px}
.button{display:inline-block;background:var(--green);color:white;text-decoration:none;padding:10px 20px;border-radius:3px;font-size:15px}
.button:hover{background:#3e5033;color:white}
footer{border-top:1px solid var(--line);margin-top:32px;padding-top:20px;font-size:13px;color:var(--muted)}
footer p{margin:6px 0}
.jump{font-size:14px;margin-top:24px}
.sample{color:#796b4f;font-size:12px}
@media(max-width:600px){.site-head{padding:18px 20px}
.sheet{padding:28px 22px;margin-bottom:0}
h1{font-size:29px}
article{font-size:16px}
.cta{padding:22px 20px}
h2{font-size:21px}
}
@media print{body{background:white}
.sheet{box-shadow:none;max-width:none;margin:0;padding:20px}
.site-head,.toc,.jump,.sample{display:none}
.cta{break-inside:avoid}
}